Update blockchain.rs

pi-nexus-blockchain/src/blockchain.rs

@@ -1,23 +1,36 @@
-// blockchain.rs (new)
+// blockchain.rs (update)
 
 use crate::block::Block;
+use crate::transaction::Transaction;
 use std::collections::VecDeque;
 
 pub struct Blockchain {
     pub chain: VecDeque<Block>,
+    pub transactions: Vec<Transaction>,
 }
 
 impl Blockchain {
     pub fn new() -> Self {
         let genesis_block = Block::new(0, "0", vec![]);
         Blockchain {
             chain: VecDeque::from(vec![genesis_block]),
+            transactions: vec![],
         }
     }
 
-    pub fn add_block(&mut self, transactions: Vec<crate::transaction::Transaction>) {
+    pub fn add_transaction(&mut self, transaction: Transaction) {
+        self.transactions.push(transaction);
+    }
+
+    pub fn add_block(&mut self) {
+        let transactions = self.transactions.clone();
+        self.transactions.clear();
         let previous_hash = self.chain.back().unwrap().hash.clone();
         let new_block = Block::new(self.chain.len() as u64, &previous_hash, transactions);
         self.chain.push_back(new_block);
     }
+
+    pub fn get_transactions(&self) -> Vec<Transaction> {
+        self.transactions.clone()
+    }
 }